Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A display device, comprising: a display panel; and a touch screen disposed on the display panel, the touch screen comprising sensor blocks and signal lines, wherein each of the sensor blocks comprises: k (k being a natural number of two or more) first sensors arranged along a first direction and electrically connected to each other; and j (j being a natural number of two or more) sensor groups, each of the j sensor groups disposed adjacent to a corresponding first sensor among the k first sensors and comprising i (i being a natural number of three or more) second sensors arranged along a second direction intersecting the first direction, and wherein: the sensor blocks comprise a first sensor block and a second sensor block arranged along the second direction; and for each m, a corresponding signal line among the signal lines electrically connects an m-th (m being a natural number of one or more and less than i) second sensor among the i second sensors of an n-th (n being a natural number of one or more and less than j) sensor group among the j sensor groups of the first sensor block directly to an i-m+1-th second sensor among the i second sensors of an n-th sensor group among the j sensor groups of the second sensor block.
2. The display device of claim 1 , wherein the touch screen further comprises: first signal lines respectively connected to the k first sensors of the first sensor block; and second signal lines respectively connected to the k first sensors of the second sensor block.
A display device with an integrated touch screen includes a plurality of sensor blocks arranged in a grid pattern, where each sensor block contains k first sensors and m second sensors. The touch screen further includes first signal lines connected to the k first sensors of a first sensor block and second signal lines connected to the k first sensors of a second sensor block. The first and second signal lines are configured to transmit signals from the sensors to a processing unit, enabling the detection of touch inputs. The sensor blocks are arranged such that the first sensor block and the second sensor block are adjacent to each other, and the first and second signal lines are routed to minimize interference and improve signal integrity. The display device may also include a display panel with a plurality of pixels, where the sensor blocks are integrated within the display panel to form a touch-sensitive display surface. The arrangement of the sensor blocks and signal lines allows for accurate touch detection while maintaining high display quality. The device may be used in applications such as smartphones, tablets, and other touch-sensitive electronic displays.
3. The display device of claim 2 , wherein the touch screen further comprises: a first connection line connecting the first signal lines to each other; and a second connection line connecting the second signal lines to each other.
A display device with an integrated touch screen includes a plurality of first signal lines and second signal lines arranged in a grid pattern to detect touch inputs. The first signal lines are configured to transmit first signals, while the second signal lines are configured to transmit second signals. The touch screen further includes a first connection line that electrically connects the first signal lines to each other, and a second connection line that electrically connects the second signal lines to each other. This configuration improves signal integrity and reduces interference between the signal lines, enhancing touch detection accuracy. The connection lines may be positioned at specific locations, such as near the edges of the touch screen, to optimize signal routing and minimize signal loss. The display device may also include a display panel, such as an organic light-emitting diode (OLED) panel, and a touch sensor layer integrated with the display panel to form a single integrated structure. The touch sensor layer includes the first and second signal lines, which are arranged in a matrix to detect touch coordinates. The connection lines ensure uniform signal distribution across the touch sensor layer, improving overall performance. This design is particularly useful in high-resolution touch displays where precise touch detection is critical.
4. The display device of claim 2 , further comprising: a flexible circuit board, wherein the touch screen further comprises: first pads respectively connected to first ends of the first signal lines; and second pads respectively connected to second ends of the second signal lines, and wherein the flexible circuit board comprises: third pads respectively connected to the first pads; fourth pads respectively connected to the second pads.
A display device with a touch screen includes a flexible circuit board for signal transmission. The touch screen has first signal lines and second signal lines, each with conductive pads at their ends. The first pads connect to the first ends of the first signal lines, while the second pads connect to the second ends of the second signal lines. The flexible circuit board has third pads that connect to the first pads and fourth pads that connect to the second pads. This configuration ensures reliable signal transmission between the touch screen and the flexible circuit board, improving connectivity and reducing signal loss. The flexible circuit board may also include a driver integrated circuit (IC) for processing touch signals, enhancing the device's responsiveness and accuracy. The design supports flexible and foldable display applications by maintaining stable electrical connections despite repeated bending or deformation. The touch screen may further include a substrate with a sensing layer for detecting touch inputs, and the flexible circuit board may be attached to the substrate to facilitate signal routing. This structure enables seamless integration of touch functionality in flexible electronic devices.
5. The display device of claim 4 , further comprising: a driving circuit disposed on the flexible circuit board and electrically connected to the third pads and the fourth pads.
A display device includes a flexible circuit board with a first substrate and a second substrate bonded together, where the first substrate has a first pad group and the second substrate has a second pad group. The first pad group includes first pads and second pads, while the second pad group includes third pads and fourth pads. The first pads are electrically connected to the third pads, and the second pads are electrically connected to the fourth pads. The device further includes a driving circuit disposed on the flexible circuit board and electrically connected to the third and fourth pads. This configuration allows for efficient signal transmission and control within the display device, particularly in flexible or foldable display applications where reliable electrical connections are critical. The driving circuit processes and distributes signals to the display elements, ensuring proper functionality. The use of separate pad groups on different substrates enables modular assembly and reduces the risk of connection failures, improving overall device reliability. This design is particularly useful in advanced display technologies requiring flexible or multi-layered circuit structures.
6. The display device of claim 2 , wherein the k first sensors, the i second sensors of the j sensor groups, the first signal lines, and the second signal lines are disposed in the same layer as one another.
A display device includes a sensor array with multiple sensor groups, each containing first and second sensors for detecting user input. The first sensors are arranged in a first pattern, while the second sensors are arranged in a second pattern within each sensor group. The device also includes first signal lines connected to the first sensors and second signal lines connected to the second sensors. These components are all integrated into the same layer of the display, optimizing space and manufacturing efficiency. The first and second sensors may be capacitive or resistive, and the sensor groups can be arranged in a grid or other configuration to cover the display surface. The first signal lines transmit signals from the first sensors to a processing unit, while the second signal lines transmit signals from the second sensors. The processing unit analyzes these signals to determine the position and type of user input, such as touch or hover gestures. By placing all sensors and signal lines in a single layer, the device reduces complexity and cost while maintaining high sensitivity and accuracy in input detection. This design is particularly useful in touchscreens and interactive displays where space and performance are critical.
7. The display device of claim 2 , wherein: the touch screen further comprises: a base member; and an insulating layer disposed on the base member; and two groups among the k first sensors, the i second sensors of the j sensor groups, and the first signal lines are disposed on a first surface of the base member and the other one group two groups among the k first sensors, the i second sensors of the j sensor groups, and the first signal lines are disposed on a second surface of the insulating layer.
A display device with an integrated touch screen includes multiple sensor groups and signal lines arranged on different layers to improve touch detection accuracy and reduce interference. The touch screen comprises a base member and an insulating layer disposed on the base member. The device includes k first sensors and i second sensors organized into j sensor groups. Two of these groups, along with their associated first signal lines, are positioned on a first surface of the base member, while the remaining groups and signal lines are placed on a second surface of the insulating layer. This layered arrangement helps minimize signal crosstalk and enhances the device's ability to detect touch inputs accurately. The insulating layer electrically isolates the sensor groups and signal lines on different surfaces, reducing noise and improving performance. The configuration allows for efficient routing of signals while maintaining a compact and functional touch-sensitive display. This design is particularly useful in high-resolution touch screens where precise touch detection is critical.
8. The display device of claim 1 , wherein: the sensor blocks further comprise a third sensor block arranged along the first direction from the first sensor block; the k first sensors of the first sensor block are electrically connected to each other and the k first sensors of the third sensor block are electrically connected to each other; and the k first sensors of the first sensor block and the k first sensors of the third sensor block are electrically insulated from each other.
A display device incorporates a sensor array with multiple sensor blocks arranged along a first direction. Each sensor block contains a plurality of first sensors, where the first sensors within a single block are electrically connected to each other. The device includes at least three sensor blocks: a first sensor block, a second sensor block, and a third sensor block, all aligned along the first direction. The first sensors in the first and third sensor blocks are electrically connected within their respective blocks but are electrically insulated from each other. This configuration allows for independent sensing or signal processing in different regions of the display while maintaining structural alignment. The sensor blocks may be used for touch detection, proximity sensing, or other interactive functions in a display panel. The electrical insulation between the first and third sensor blocks prevents signal interference or cross-talk, ensuring accurate and isolated sensing in each block. The second sensor block, as described in the broader invention, may include second sensors with different properties or functions, enabling multi-modal sensing capabilities. The arrangement and electrical connections of the sensor blocks optimize spatial resolution and sensing performance in the display device.
9. The display device of claim 8 , wherein the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the first sensor block and an m-th second sensor among the i second sensors of an n-th sensor group among the j sensor groups of the third sensor block are electrically connected to each other.
This invention relates to a display device with an integrated sensor array for touch or proximity detection. The device addresses the challenge of efficiently routing sensor signals in a multi-layered display structure while maintaining accurate sensing performance. The display includes a first sensor block and a third sensor block, each containing multiple sensor groups. Each sensor group consists of multiple second sensors arranged in a grid or matrix pattern. The second sensors in corresponding positions (m-th position) within the n-th sensor group of the first sensor block are electrically connected to the m-th second sensor in the n-th sensor group of the third sensor block. This interconnection allows for synchronized signal processing between the two sensor blocks, improving detection accuracy and reducing wiring complexity. The sensor groups are further organized into j groups within each sensor block, with each group containing i second sensors. The electrical connections between corresponding sensors in different blocks enable efficient data transmission and processing, enhancing the overall functionality of the display device for touch or proximity sensing applications. The invention optimizes the sensor layout and interconnections to ensure reliable performance in a compact display design.
10. The display device of claim 9 , wherein the touch screen further comprises: a first signal line connected to the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the first sensor block; and a second signal line connected to the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the third sensor block.
A display device with an integrated touch screen includes multiple sensor blocks, each containing multiple sensor groups. Each sensor group has multiple sensors arranged in a grid. The touch screen includes signal lines that connect to specific sensors within these groups. In particular, a first signal line connects to a designated sensor in a sensor group of a first sensor block, while a second signal line connects to the same designated sensor in a corresponding sensor group of a third sensor block. This configuration allows for precise touch detection and signal routing across the display. The device may also include additional sensor blocks and signal lines to enhance touch sensitivity and accuracy. The arrangement ensures efficient signal transmission while maintaining the structural integrity of the touch screen. The system is designed to improve touch responsiveness and reduce interference, making it suitable for high-performance display applications. The sensor blocks and signal lines are optimized to work together, ensuring reliable touch input detection across the entire display surface.
11. The display device of claim 10 , further comprising: a flexible circuit board, wherein the touch screen further comprises: a first pad connected to the first signal line; and a second pad connected to the second signal line, and wherein the flexible circuit board comprises: a third pad connected to the first pad; and a fourth pad connected to the second pad.
A display device with a touch screen includes a flexible circuit board for signal transmission. The touch screen has a first signal line and a second signal line, each connected to respective pads on the touch screen. The flexible circuit board includes corresponding pads that connect to the touch screen pads, facilitating signal transfer between the touch screen and external components. This configuration ensures reliable electrical connections for touch sensing and display functionality, addressing challenges in maintaining signal integrity in flexible or foldable display devices. The design supports seamless integration of touch-sensitive displays with flexible circuit boards, enabling applications in portable electronics where durability and flexibility are critical. The pads on both the touch screen and flexible circuit board are aligned to ensure proper signal routing, enhancing performance and reducing signal loss. This solution is particularly useful in devices requiring flexible or foldable displays, such as smartphones, tablets, and wearable electronics.
12. The display device of claim 1 , wherein the k first sensors and the j sensor groups are in one-to-one correspondence.
A display device includes a plurality of sensors arranged to detect user interactions with a display surface. The device comprises k first sensors and j sensor groups, where each sensor group includes at least one second sensor. The k first sensors and the j sensor groups are arranged in a one-to-one correspondence, meaning each first sensor is uniquely paired with a distinct sensor group. The first sensors and sensor groups work together to detect and process user inputs, such as touch or gesture interactions, across the display surface. The one-to-one correspondence ensures that each first sensor is associated with a specific sensor group, allowing for precise and localized input detection. This configuration improves the accuracy and reliability of user interaction tracking by reducing interference and cross-talk between sensors. The device may be used in touchscreens, interactive displays, or other input-sensitive surfaces where precise detection of user inputs is required. The arrangement of sensors and their corresponding groups enables efficient signal processing and enhances the overall responsiveness of the display device.
13. The display device of claim 1 , wherein: the sensor blocks further comprise a third sensor block arranged along the second direction from the second sensor block; and the corresponding signal line among the signal lines electrically connects the i-m+1-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block directly to an m-th second sensor among the i second sensors of an n-th sensor group among the j sensor groups of the third sensor block.
This invention relates to display devices with integrated sensor arrays, specifically addressing the challenge of efficiently routing signals between multiple sensor blocks to improve signal integrity and reduce wiring complexity. The device includes a plurality of sensor blocks arranged in a grid pattern, where each sensor block contains multiple sensor groups, and each sensor group contains multiple sensors. The sensor blocks are aligned along two perpendicular directions, with signal lines connecting corresponding sensors between adjacent blocks. A third sensor block is positioned along a second direction from a second sensor block, and signal lines directly connect specific sensors within corresponding sensor groups of these blocks. For example, a signal line connects the (i-m+1)-th sensor in the n-th sensor group of the second sensor block to the m-th sensor in the n-th sensor group of the third sensor block. This configuration ensures precise signal routing while minimizing cross-talk and signal degradation, enhancing the overall performance of the display device's sensing capabilities. The arrangement optimizes the layout of sensor blocks and signal lines, reducing manufacturing complexity and improving reliability.
14. The display device of claim 13 , wherein: the corresponding signal line comprises a first portion and a second portion spaced apart from the first portion; the first portion connects the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the first sensor block directly to the i-m+1-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block; and the second portion connects the i-m+1-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block directly to the m-th second sensor among the i second sensors of the n-th sensor group among the j sensor groups of the third sensor block.
A display device includes multiple sensor blocks arranged in a matrix, each block containing sensor groups with multiple sensors. The device uses signal lines to connect sensors between different blocks. A signal line has two portions: a first portion directly connects a specific sensor in one block to a corresponding sensor in another block, and a second portion connects that same sensor in the second block to a corresponding sensor in a third block. This configuration allows for efficient signal routing and data transfer between sensors across multiple blocks, improving synchronization and reducing interference. The arrangement ensures that each sensor in a group is linked to its counterpart in adjacent blocks, facilitating coordinated operation. This design is particularly useful in large-area or high-resolution displays where precise sensor alignment and signal integrity are critical. The dual-portion signal line structure minimizes crossover and simplifies manufacturing while maintaining reliable connections.
15. The display device of claim 14 , wherein: the first portion is disposed at one side of the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block; and the second portion is disposed at another one side of the i second sensors of the n-th sensor group among the j sensor groups of the second sensor block, the one side being different from the another one side.
A display device incorporates a sensor system for detecting user interactions, such as touch or proximity. The device includes a first sensor block with multiple sensor groups, each containing multiple first sensors, and a second sensor block with multiple sensor groups, each containing multiple second sensors. The first and second sensor blocks are arranged to detect interactions across a display surface. The second sensor block includes a specific configuration where, within the n-th sensor group of the j sensor groups, a first portion of the second sensors is positioned on one side of the i-th second sensor, while a second portion of the second sensors is positioned on the opposite side of the i-th second sensor. This arrangement ensures balanced and accurate detection of interactions by distributing sensors symmetrically around key sensing points. The system enhances touch or proximity sensing precision by optimizing sensor placement to minimize dead zones and improve signal uniformity. The device is particularly useful in touchscreens, interactive displays, or other input-sensitive surfaces where reliable and responsive interaction detection is critical.
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June 2, 2020
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